Improvement in shutter-fasteners



* ama sala JONA'IHAN'L.` DEVOL, 0F PARKERSBURG, WEST VIRGINIA.

Letters Patent No.7112,225, dated February 28, 1871.

{MPROVEMENT IN SHUTTER-FASTENERS.

The Schedule referred to in these Letters Patent and making part of the lame.

To all whom it may concern Be it known that I, JONATHAN L. DnvoL, of Parkersburg, in Wood county and iu the State ot West Virginia, have invented a new and useful Improvement in ShuttenFastenings; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawing making a part of this specication, in which- Fignre 1 is a perspective view of the fastening, de.- tached.

Figure 2 is a vertical section of the fastening, applied to a door and holding the shutter in position.

Figure 3 is a front View of the keeper.

The same letters of reference, where employed in the several figures, denote identical parts.

This invention relates to shutter-fastenings; and

My improvement consists iu the employment of a cam-lever7 in combination with theI other parts of the fastening, to provide a means by which the hook may be disengaged from the keeper, and held thus until the shutter is removed, as will be more .specifically pointed out hereinafter.

' To enable those skilled in theart to make and use my invention I will' proceed to describe its construction and operation.

In the annexed drawing- A represents a portion of a door or window, and

B, the shutter.

The operative parts of the fastening are arranged on a metallic frame, C, which is secured upon the inner side of the door, with its curved flange C' e`x tending into an aperture therein.

A suitable slot is formed in the plate of the frame,

through which the inner arm of the hook-lever D extends.

This lever is pivoted upon a bolt, (l, between the legs of theflange 0', and its outer arm terminates in a hook, D', projecting a sutlcient distance beyond the outer side of the door, through the aperture therein, to hook over a keeper, E, when the shutter, to which `the latter is secured in a recess therein, is put in its place.

The hook-lever is held down over the keeper by a spring, F, one end of' which is riveted to the ange Gf at f, while the other end presses upon the outer end of said lever, as shown.

The inner arm of thev lever D is iu cont-act withthe cam Gf of a short lever, G, which ispivoted between.

.ig. 2, to admit of the removal of the shutter.

`What I claim, and desire to secure by Let-ters'Patent, is

In combination with the shutter-fastening hereindescribed, -composed of the frame O, hook-lever D, keeper E, and spring F, the cam-lever G G', arranged and operating as set forth. Y

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

J. L. DEVOL.

Witnesses G. Looms, HENRY Atrrss. 

